<?php

class ComponentProperty{

public $label=NULL;
public $URI=NULL;
public $isIndirect=NULL;
public $attachmentLevel=NULL;
public $comment=NULL;
// singleton instance 
private static $instance; 


private function __construct() {
  /*** maybe set the name here later ***/
}


  // getInstance method 
  public static function getInstance() { 

    if(!self::$instance) { 
      self::$instance = new self(); 
    } 

    return self::$instance; 

  } 

 

}
?>
